C++ Interview Questions - Amdocs.

1. Write a program to show string copy and concatenate in C++?

2. What will be the output of the program?
If switch(n)
case 1:cout<<"CASE !";

a) CASE! b) default c) Error d) None of the above

3. How to use Macros in C++?

4. Maintaining the state of an object is called____.

a) Serialization
b) Persistence
c) Marshalling
d) None of these options

5. What is the name of the java file of the given program?

import myLibrary.*;

public class ShowSomeClass
// your class code

a) myLibrary.java
b) ShowSomeClass.java
c) ShowSomeClass
d) ShowSomeClass.class

6. Out of below mentioned options, which of the following is TRUE?

a) In java, an instance field declared public generates a compilation error.
b) int is the name of a class available in the package java.lang
c) Instance variable names may only contain letters and digits.
d) A class has always a constructor
e) The more comments in a program, the faster the program runs.

7. What is the output of the program given below?

String river = new String(“Columbia”);

a) 6 b) 7 c) 8 d) Columbia e)river

8. What is a constructor?

a) Same name as the class it is declared within.
b) is used to create objects.
c) may be declared private
d) A and B only
e) A, B and C

9. What is the output of the following program?

main ()
{ int x=5;
cout<< x; }

a) 5 b) 4 c) 3 d) None of these

10. What is the output of the following program?

float a=.7

a) this b) that c) Error d) None of the above

11. What is the output of the following program?

case 1: cout<<"hello";
case (2) : cout<<"default";
a) hello b) default c) Garbage value d) hello and default e) None of the above
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